docs: def getClassPath():
      """ Get the full java class path.
  
      Includes user added paths and the environment CLASSPATH.
      """
      global _CLASSPATHS
      global _SEP
      out=[]
      for path in _CLASSPATHS:
          if path=='':
              continue
          if path.endswith('*'):
              paths=_glob.glob(path+".jar")
              if len(path)==0:
                  continue 
              out.extend(paths)
          else:
              out.append(path)
      return _SEP.join(out)